| Used Operating Systems |
| 1 | 14058 | 29.95 | 9478 | 58.15 | +http://ahrefs.com/robot/ |
| 2 | 13483 | 28.73 | 101 | 0.62 | http://mj12bot.com/ |
| 3 | 6065 | 12.92 | 1347 | 8.26 | Windows NT |
| 4 | 4597 | 9.79 | 3866 | 23.72 | +http://www.baidu.com/search/spider.html |
| 5 | 4202 | 8.95 | 29 | 0.18 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 1014 | 2.16 | 260 | 1.60 | +http://www.linkdex.com/bots/ |
| 7 | 1010 | 2.15 | 234 | 1.44 | +http://www.google.com/bot.html |
| 8 | 622 | 1.33 | 124 | 0.76 | +http://yandex.com/bots |
| 9 | 367 | 0.78 | 23 | 0.14 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 354 | 0.75 | 227 | 1.39 | +http://www.bing.com/bingbot.htm |
| 11 | 260 | 0.55 | 206 | 1.26 | Windows 95 |
| 12 | 174 | 0.37 | 30 | 0.18 | Windows 98 |
| 13 | 117 | 0.25 | 30 | 0.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 92 | 0.20 | 7 | 0.04 | +http://www.semrush.com/bot.html |
| 15 | 63 | 0.13 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 16 | 51 | 0.11 | 40 | 0.25 | Windows 3.1 |
| 17 | 49 | 0.10 | 47 | 0.29 | Windows 2000 |
| 18 | 47 | 0.10 | 43 | 0.26 | Auto; Windows |
| 19 | 42 | 0.09 | 38 | 0.23 | Windows CE |
| 20 | 41 | 0.09 | 3 | 0.02 | Windows XP |
| 21 | 39 | 0.08 | 36 | 0.22 | Windows ME |
| 22 | 37 | 0.08 | 33 | 0.20 | ) - BrowseX (2.0.0 Windows |
| 23 | 30 | 0.06 | 27 | 0.17 | MSIE 5.5; Windows NT 5.0 |
| 24 | 26 | 0.06 | 26 | 0.16 | MSIE 5.5; Windows NT 4.0 |
| 25 | 21 | 0.04 | 5 | 0.03 | +http://webmeup-crawler.com/ |
| 26 | 15 | 0.03 | 4 | 0.02 | +http://sur.ly/bot.html |
| 27 | 9 | 0.02 | 4 | 0.02 | J2ME/MIDP |
| 28 | 9 | 0.02 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 29 | 7 | 0.01 | 5 | 0.03 | +http://8pw.ru/virus |
| 30 | 6 | 0.01 | 3 | 0.02 | +http://www.seokicks.de/robot.html |
| 31 | 6 | 0.01 | 3 | 0.02 | +http://www.exabot.com/go/robot |
| 32 | 4 | 0.01 | 2 | 0.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 33 | 3 | 0.01 | 1 | 0.01 | +http://siteexplorer.info/Backlink-Check... |
| 34 | 2 | 0.00 | 1 | 0.01 | support.orangebot@orange.com |
| 35 | 2 | 0.00 | 1 | 0.01 | Android |
| 36 | 2 | 0.00 | 2 | 0.01 | +http://glutenfreepleasure.com/ |
| 37 | 2 | 0.00 | 1 | 0.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 38 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 39 | 2 | 0.00 | 1 | 0.01 | +spider@seoscanners.net |
| 40 | 1 | 0.00 | 1 | 0.01 | crawler@mixrank.com |
| 41 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 42 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 44 | 1 | 0.00 | 1 | 0.01 | +http://megaindex.com/crawler |
| 45 | 1 | 0.00 | 1 | 0.01 | Windows Phone OS 7.5 |
